["Descriptions:\r\nMicro-channel remote control 2-way remote cloud Ethernet network switch delay relay TCP/UDP relay module controller can be expanded to 8 \r\nControl via Ethernet and internet pull 2 relay, the release \r\nAnd can be extended by a pin external relay module to eight outputs\r\nModule supports TCP, UDP, cloud remote control three kinds of operation\r\nEasy to understand instructions, instruction can specify 1--65535 seconds delay\r\nModule is equipped with VB, for Delphi PC program and source code to help you easily computerized remote control\r\nTCP and cloud remotely can check the status of all relays\r\nAlso after each command processing is complete, the module will return to the latest state of all relays\r\nUDP mode no status query or other returns\r\nCode is extremely simple, easy to be embedded into a variety of applications\r\nFull support for secondary development, open TCP, UDP control protocol, cloud secondary development package provides remote SOAP Web Service API interface and RESTful Web Service API interface\r\n\r\nModule Features: \r\nSTC microcontroller for industrial master chip \r\nOnboard 2-way high-quality relay, relay with absorption diode circuit \r\nWith 1-channel power indicator, each relay has status indicator lights up and relay \r\nThe relay module can be extended up to 8 outputs, Note: The relay module should be active high\r\nYou can configure the module through the network parameters, such as the module IP address, default for gateway, etc\r\nHolding relay status before power down (configurable) \r\nThrough internet control, remote cloud by local password for protection, safe and reliable \r\nSupports 5V or 9-24V input voltage 1.6mm thick PCB by the military grade FR-4 sheet material, PCB size 6.8x4.8cm, set aside the mounting holes \r\n\r\nSpecification: \r\nBrand new \r\nPCB dimensions: approx. 6.8x4.8x1.5cm/2.68x1.89x0.59\"\r\nPower requirements: DC5V, Micro USB power supply; or DC9-24V \r\nQuantity: 1 Pc\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage Contents: \r\n1 Pc x Ethernet module"]